Installation guide
HDX Card Installation Guide8
• Soft Clip and Curv limiting circuits to protect
against clipping on analog input
• 8 channels of analog back panel output using a
DB-25 breakout cable (sold separately) with
variable output gain
• 2 channels of analog back panel output using
TRS (Mirrors channels 1–2 or 7–8 on DB-25
connector)
• Front panel stereo 1/4” headphone jack
Digital I/O
• 8 channels of AES/EBU output (up to 192 kHz
Single Wire) using a DB-25 breakout cable
(sold separately)
• 2 channels of AES/EBU XLR input (up to
192 kHz Single Wire)
• 2 channels of S/PDIF RCA input and output
(up to 192 kHz)
• 8 channels of ADAT TOSLINK input and out-
put
• Support for ADAT S/MUX Optical for sample
rates of 88.2 kHz, 96 kHz, 176.4 kHz, and
192 kHz
• Support for two channels of S/PDIF Optical
with sample rates of up to 96 kHz
• Real-time sample rate conversion (SRC) on
Digital Inputs 1–2 of either AES/EBU, S/PDIF,
or Optical (S/PDIF)
Monitoring
• An additional stereo “CUE” output path in
Pro Tools for headphone monitoring from the
front panel headphone jack
• Front panel Control Room (MAIN/ALT) and
Headphone monitoring volume control
• Flexible monitoring with fold-down from all
stereo and surround formats (up to 7.1
surround)
• Input mixer for low latency direct monitoring
of a variety of incoming signals (configured in
the Pro Tools Hardware Setup)
Synchronization
• Loop Sync input and output for connecting ad-
ditional HD interfaces and peripherals
• External Clock input and output for synchro-
nizing HD OMNI with external Word Clock
devices
HD OMNI provides up to four channels of
simultaneous analog input from any of
several possible analog input connection.
SRC is not supported with ADAT S/MUX.